supply of main spring assembly for pantograph type am-12 to contransys part no.c.0600 or to equivalent part no. of gsec or concept rail engineers confirming to rdso specification no. rdso20080066 rev.0 dated 20.06.2008 and amend 1.main spring assembly for pantograph type am-12 to contransys part no.c.0600 or to equivalent part no. of gsec or concept rail engineers confirming to rdso specification no. rdso20080066 rev.0 dated 20.06.2008 and amend 1.,main spring assembly for pantograph type am-12 to contransys part no.c.0600 or to equiv alent part no. of gsec or concept rail engineers confirming to rdso specification no. rdso20080066 rev.0 dated 20.06.2008 and amend 1. [ warranty period: 30 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted : max 8 lacs ] ] diesel stores andhra pradesh 8.00 numbers depot/guntakal, scr diesel stores depot/gy, scr andhra pradesh 26.00 numbers